(19)
(11) EP 2 776 204 A1

(12)

(43) Date of publication:
17.09.2014 Bulletin 2014/38

(21) Application number: 12801448.7

(22) Date of filing: 09.11.2012
(51) International Patent Classification (IPC): 
B23K 20/12(2006.01)
C23C 16/30(2006.01)
 C22C 29/08(2006.01)
(86) International application number:
PCT/EP2012/004661
(87) International publication number:
WO 2013/068122 (16.05.2013 Gazette 2013/20)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(30) Priority: 11.11.2011 EP 11188809

(71) Applicant: Sandvik Intellectual Property AB
811 81 Sandviken (SE)

(72) Inventors:
  • EDERYD, Stefan
    132 47 Saltsjö-Boo (SE)
  • NORDENSTRÖM, Henrik
    12056 Arsta (SE)
  • NORDENSTRÖM, Henrik
    12056 Arsta (SE)

   


(54) FRICTION STIR WELDING TOOL MADE OF CEMENTED TUNGSTEN CARBID WITH NICKEL AND WITH A AL203 SURFACE COATING